Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income	$ 23,708	$ 22,246
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,285	3,996
Deferred income taxes	919	1,775
Reserve for uncertain tax positions	(262)	(297)
Non-cash share-based compensation expense	917	1,255
Loss on disposal of property and equipment	40	212
Net changes in assets and liabilities:
Trade accounts receivable	(3,343)	(1,842)
Prepaid expenses and other current assets	978	(1,632)
Deferred contract costs, net	(508)	1
Operating lease assets and liability, net	(10)
Accounts payable	69	147
Accrued expenses, wages, bonuses and profit sharing	138	(1,310)
Income taxes receivable and payable	(829)	(554)
Deferred revenue	2,872	1,939
Net cash provided by operating activities	28,974	25,936
Cash flows from investing activities:
Purchases of property and equipment	(3,429)	(4,858)
Net cash used in investing activities	(3,429)	(4,858)
Cash flows from financing activities:
Payments related to Recapitalization		(72,370)
Proceeds from issuance of note payable		40,000
Borrowings on line of credit	21,000	2,500
Payments on line of credit	(21,000)	(2,500)
Payment of debt issuance costs		(187)
Payments on notes payable	(2,767)	(2,170)
Payments on finance lease obligations	(223)	(104)
Payment of employee payroll tax withholdings on share-based awards exercised	(1,021)	(712)
Payment of dividends on common stock	(26,564)	(12,650)
Net cash used in financing activities	(30,575)	(48,193)
Effect of exchange rate changes on cash	397	(345)
Change in cash and cash equivalents	(4,633)	(27,460)
Cash and cash equivalents at beginning of period	12,991	34,733
Cash and cash equivalents at end of period	8,358	7,273
Supplemental disclosure of cash paid for:
Interest, net of capitalized amounts	1,558	767
Income taxes	5,607	2,017
Supplemental disclosure of non-cash investing and financing activities:
Common stock (formerly class A) issued in the Recapitalization in exchange for then-existing class B shares and options.		121,371
Finance lease obligations originated for property and equipment	206	879
Stock tendered to the Company for cashless exercise of stock options in connection with equity incentive plans	$ 2,295	$ 5,429